package com.itheima.reggie.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import java.sql.SQLIntegrityConstraintViolationException;

@ControllerAdvice(annotations = {RestController.class, Controller.class})
@ResponseBody
@Slf4j
public class GlobalExceptionHandler  extends Throwable{
    //运用springboot的异常处理器来处理添加员工中用户名重复的问题
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException e) {
        log.error(e.getMessage());
        if (e.getMessage().contains("Duplicate entry")) {
            String[] split = e.getMessage().split(" ");
            String msg = split[2]+"已存在";
            return R.error(msg);
        }
        return R.error("莹莹温馨提示：发生未知错误哦！");
    }

    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException e) {
        log.error(e.getMessage());
        return R.error("莹莹温馨提示：出错了哦");
    }

}
